On 2023/02/03 18:14:53 Heesung Sohn wrote: > There are some cases to trigger it. > 1. A cursor be removed. > 2. Close the current ledger and create a new ledger. > 3. Consumer ack the message, the slowest cursor move forward. > 4. User trigger truncateTopic by admin. > > I see that this pip is for the internal ledger deletion cases(1-3 above), > and it appears that such internal deletion operations do not require > pre-validation or status checks(and no additional iops on the metadata > store). I agree that we need a separate pip for async admin operations.
This pip is also applied to case 4. All cases will invoke `trimConsumedLedgersInBackground`. This pip acts inside the method.
